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  Expanded mutational spectrum in Cohen Syndrome, tissue expression, and transcript variants of COH1

Seifert, W., Holder-Espinasse, M., Kühnisch, J., Kahrizi, K., Tzschach, A., Garshasbi, M., et al. (2008). Expanded mutational spectrum in Cohen Syndrome, tissue expression, and transcript variants of COH1. Human Mutation, 30(2), E404-E420. doi:10.1002/humu.20886.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-7EB1-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-7EB2-C
Genre: Journal Article
Alternative Title : Hum Mut

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 Creators:
Seifert, Wenke, Author
Holder-Espinasse, Muriel, Author
Kühnisch, Jirko1, Author
Kahrizi, Kimia, Author
Tzschach, Andreas2, Author              
Garshasbi, Masoud2, Author              
Najmabadi, Hossein, Author
Kuss, Andreas Walter1, Author
Kress, Wolfram, Author
Laureys, Geneviève, Author
Loeys, Bart, Author
Brilstra, Eva, Author
Mancini, Grazia M.S., Author
Dollfus, Hélène, Author
Dahan, Karin, Author
Apse, Kira, Author
Hennies, Hans Christian, Author
Horn, Denise, Author
Affiliations:
1Max Planck Society, ou_persistent13              
2Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433549              

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Free keywords: Cohen syndrome • COH1 • VPS13B • allelic heterogeneity • differential gene expression
 Abstract: Cohen syndrome is characterised by mental retardation, postnatal microcephaly, facial dysmorphism, pigmentary retinopathy, myopia, and intermittent neutropenia. Mutations in COH1 (VPS13B) have been found in patients with Cohen syndrome from diverse ethnic origins. We have carried out mutation analysis in twelve novel patients with Cohen syndrome from nine families. In this series, we have identified 13 different mutations in COH1, twelve of these are novel including six frameshift mutations, four nonsense mutations, two splice site mutations, and a one-codon deletion. Since different transcripts of COH1 have been reported previously, we have analysed the expression patterns of COH1 splice variants. The transcript variant NM_152564 including exon 28b showed ubiquitous expression in all examined human tissues. In contrast, human brain and retina showed differential splicing of exon 28 (NM_017890). Moreover, analysis of mouse tissues revealed ubiquitous expression of Coh1 homologous to human NM_152564 in all examined tissues but no prevalent alternative splicing.

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Language(s): eng - English
 Dates: 2008-11-12
 Publication Status: Published in print
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Title: Human Mutation
  Alternative Title : Hum Mut
Source Genre: Journal
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Pages: - Volume / Issue: 30 (2) Sequence Number: - Start / End Page: E404 - E420 Identifier: -